CN204131353U - The boats and ships axle generator that motor uses can be made - Google Patents
The boats and ships axle generator that motor uses can be made Download PDFInfo
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- CN204131353U CN204131353U CN201420228191.2U CN201420228191U CN204131353U CN 204131353 U CN204131353 U CN 204131353U CN 201420228191 U CN201420228191 U CN 201420228191U CN 204131353 U CN204131353 U CN 204131353U
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Abstract
The utility model discloses a kind of boats and ships axle generator made motor and use, solve the existing technical barrier realizing generating electricity and electronic two kinds of functions switch as axle generator.Comprise electric machine stand (2), motor driving shaft (1), connection box for motor (7), field power supply (6), alternating-current motor stator three-phase windings (3), exciter stator three-phase windings (9), AC motor rotor concentratred winding (4), rotating rectifier (5) and exciter rotor three-phase windings (8), AC motor rotor concentratred winding (4) and rotating rectifier (5) link together, exciter stator three-phase windings (9) is connected with field power supply (6), achieve when the fault of emergency shutdown appears in marine main engine, axle generator is used as motor, propeller rotational is driven with it, boats and ships can be put back to port safely.
Description
Technical field
The present invention relates to the generator in a kind of boats and ships Shaft-Generator, particularly a kind of boats and ships axle generator made motor and use.
Background technology
Along with the development of marine energy-saving technology, axle generator is brought into use in boats and ships axis system, axle generator on boats and ships generally adopts no-brush synchronous generator as generator, the excavation of the electricity generate function of ship shaft band main frame, serves the effect playing marine main engine efficiency fully.Simultaneously; those skilled in the art begin one's study; when there is the fault of emergency shutdown in marine main engine; boats and ships axle generator can be used as motor driven propeller rotational; make the problem that boats and ships put back to port; make axle generator realize motor function, need to solve axle generator as starting difficult problem during motor running, and realize the generating of this machine and the switching of electronic two kinds of reversible operation states.
Summary of the invention
The invention provides a kind of boats and ships axle generator made motor and use, solve the existing technical barrier realizing generating electricity and electronic two kinds of functions switch as axle generator.
The present invention solves above technical problem by the following technical programs:
A kind of boats and ships axle generator made motor and use, comprise electric machine stand and motor driving shaft, electric machine stand is respectively arranged with connection box for motor and the field power supply that simultaneously can provide three-phase AC excitation electric current and DC excitation electric current, alternating-current motor stator three-phase windings and exciter stator three-phase windings is respectively arranged with in electric machine stand, motor driving shaft is disposed with AC motor rotor concentratred winding from left to right, rotating rectifier and exciter rotor three-phase windings, the three-phase lead wire of the three-phase windings of alternating-current motor stator three-phase windings and the three-phase terminal in connection box for motor are sub correspondingly to link together, the anode lead wire of AC motor rotor concentratred winding and the positive binding post of rotating rectifier link together, the negative terminal lead wire of AC motor rotor concentratred winding and the negative binding post of rotating rectifier link together, the three-phase lead wire of the three-phase windings of exciter rotor three-phase windings and the three-phase terminal of rotating rectifier are sub correspondingly to link together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings is corresponding with three lead-out terminals of three pole DC switchs to be connected, link together with the straight polarity direct current line terminals of field power supply after any two terminal short circuits in three input terminals of three pole DC switchs, the non-short circuit input terminal of three pole DC switchs and the direct current of field power supply are born binding post and are linked together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings is also corresponding with three outputs of three-phase alternating-current switch to be connected, three inputs of three-phase alternating-current switch are corresponding with three ac terminals of field power supply to be connected.
Make the ship shaft band operation state of generator changing method that motor uses, comprise the following steps:
The first step, electric machine stand arranges connection box for motor and the field power supply that simultaneously can provide three-phase AC excitation electric current and DC excitation electric current respectively, alternating-current motor stator three-phase windings and exciter stator three-phase windings are set respectively in electric machine stand, motor driving shaft sets gradually AC motor rotor concentratred winding from left to right, rotating rectifier and exciter rotor three-phase windings, the three-phase lead wire of the three-phase windings of alternating-current motor stator three-phase windings and the three-phase terminal in connection box for motor are sub correspondingly to link together, the anode lead wire of AC motor rotor concentratred winding and the positive binding post of rotating rectifier link together, the negative terminal lead wire of AC motor rotor concentratred winding and the negative binding post of rotating rectifier link together, the three-phase lead wire of the three-phase windings of exciter rotor three-phase windings and the three-phase terminal of rotating rectifier are sub correspondingly to link together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings is corresponding with three lead-out terminals of three pole DC switchs to be connected, link together with the straight polarity direct current line terminals of field power supply after any two terminal short circuits in three input terminals of three pole DC switchs, the non-short circuit input terminal of three pole DC switchs and the direct current of field power supply are born binding post and are linked together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings is also corresponding with three outputs of three-phase alternating-current switch to be connected, three inputs of three-phase alternating-current switch are corresponding with three ac terminals of field power supply to be connected,
Second step, disconnected by three-phase alternating-current switch, closed by three pole DC switchs, field power supply provides DC excitation electric current for exciter stator winding, and boats and ships axle generator is in generator operation state;
3rd step, to be closed by three-phase alternating-current switch, disconnected by three pole DC switchs, field power supply provides AC excitation electric current for exciter stator winding, and boats and ships axle generator is in motoring.
The problem that the generator that the invention solves ship shaft band system uses as motor, particularly solves the direct starting problem of the generator of ship shaft band system.In existing technology, under static rotating speed, exciter rotor to cut static stator field, therefore, cannot induce voltage, make synchronous machine not have self-starting function.In the present invention, the stator of exciter adopts interchange to carry out excitation, even if like this under zero rotating speed, still the magnetic field of rotation can be produced, this magnetic field rotated can induce alternating current at rotor windings when cutting rotor winding, and then provide excitation for synchronous machine, make synchronous machine have the ability to realize self-starting.In addition, invention further reduces as slip-ring device during electric operation, improve the reliability of system cloud gray model.
Present invention achieves the generating of boats and ships axle generator and the convenient conversion of electronic two kinds of modes; solve a direct startup difficult problem for boats and ships axle generator; structure is simple; easy to operate; and reduce the cost of integral device, achieve when the fault of emergency shutdown appears in marine main engine, axle generator is used as motor; drive propeller rotational with it, boats and ships can be put back to port safely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of circuit connecting relation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of boats and ships axle generator made motor and use, comprise electric machine stand 2 and motor driving shaft 1, electric machine stand 2 is respectively arranged with connection box for motor 7 and the field power supply 6 that simultaneously can provide three-phase AC excitation electric current and DC excitation electric current, alternating-current motor stator three-phase windings 3 and exciter stator three-phase windings 9 is respectively arranged with in electric machine stand 2, motor driving shaft 1 is disposed with AC motor rotor concentratred winding 4 from left to right, rotating rectifier 5 and exciter rotor three-phase windings 8, the sub-U of three-phase terminal in the three-phase lead wire of the three-phase windings of alternating-current motor stator three-phase windings 3 and connection box for motor 7, V, W correspondence links together, the anode lead wire of AC motor rotor concentratred winding 4 and the positive binding post of rotating rectifier 5 link together, the negative terminal lead wire of AC motor rotor concentratred winding 4 and the negative binding post of rotating rectifier 5 link together, the three-phase lead wire of the three-phase windings of exciter rotor three-phase windings 8 and the three-phase terminal of rotating rectifier 5 are sub correspondingly to link together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings 9 is corresponding with three lead-out terminals of three pole DC switchs 11 to be connected, link together with the straight polarity direct current line terminals F1 of field power supply 6 after any two terminal short circuits in three input terminals of three pole DC switchs 11, the non-short circuit input terminal of three pole DC switchs 11 and the direct current of field power supply 6 are born binding post F2 and are linked together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings 9 is also corresponding with three outputs of three-phase alternating-current switch 10 to be connected, three inputs of three-phase alternating-current switch 10 and three ac terminal UF of field power supply 6, VF, WF correspondence connects.
Make the ship shaft band operation state of generator changing method that motor uses, comprise the following steps:
The first step, electric machine stand 2 arranges connection box for motor 7 and the field power supply 6 that simultaneously can provide three-phase AC excitation electric current and DC excitation electric current respectively, alternating-current motor stator three-phase windings 3 and exciter stator three-phase windings 9 are set respectively in electric machine stand 2, motor driving shaft 1 sets gradually AC motor rotor concentratred winding 4 from left to right, rotating rectifier 5 and exciter rotor three-phase windings 8, the sub-U of three-phase terminal in the three-phase lead wire of the three-phase windings of alternating-current motor stator three-phase windings 3 and connection box for motor 7, V, W correspondence links together, the anode lead wire of AC motor rotor concentratred winding 4 and the positive binding post of rotating rectifier 5 link together, the negative terminal lead wire of AC motor rotor concentratred winding 4 and the negative binding post of rotating rectifier 5 link together, the three-phase lead wire of the three-phase windings of exciter rotor three-phase windings 8 and the three-phase terminal of rotating rectifier 5 are sub correspondingly to link together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings 9 is corresponding with three lead-out terminals of three pole DC switchs 11 to be connected, link together with the straight polarity direct current line terminals F1 of field power supply 6 after any two terminal short circuits in three input terminals of three pole DC switchs 11, the non-short circuit input terminal of three pole DC switchs 11 and the direct current of field power supply 6 are born binding post F2 and are linked together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings 9 is also corresponding with three outputs of three-phase alternating-current switch 10 to be connected, three inputs of three-phase alternating-current switch 10 and three ac terminal UF of field power supply 6, VF, WF correspondence connects,
Second step, disconnected by three-phase alternating-current switch 10, when being closed by three pole DC switchs 11, field power supply 6 provides DC excitation electric current for exciter stator winding 9, and boats and ships axle generator is in generator operation state;
3rd step, to be closed by three-phase alternating-current switch 10, disconnected by three pole DC switchs 11, field power supply 6 provides AC excitation electric current for exciter stator winding 9, and boats and ships axle generator is in motoring.
When three pole DC switchs 11 disconnect and three-phase alternating-current switch 10 closes, exciter stator three-phase windings 9 is connect alternating current by three ac terminals of field power supply 6, the electromagnetic field cutting exciter rotor three-phase windings 8 of the alternation in exciter stator winding 9, thus exciting current is produced in exciter rotor three-phase windings 8, generation current in exciter rotor three-phase windings 8, after rotating rectifier 5 is rectified into direct current, for AC motor rotor concentratred winding 4 provides DC excitation electric current, thus realize the self-starting of synchronous machine, axle band system generator runs on motoring condition.
When three pole DC switchs 11 are closed and three-phase alternating-current switch 10 disconnects, link together with the straight polarity direct current line terminals F1 of field power supply 6 after any two terminal short circuits in three input terminals of three pole DC switchs 11, the non-short circuit input terminal of three pole DC switchs 11 and the direct current of field power supply 6 are born binding post F2 and are linked together, field power supply 6 provides DC excitation electric current for exciter stator three-phase windings 9, make exciter rotor three-phase windings 8 circumgyration incision field generating current, thus realize axle band system generator and run on generating state.
Wherein two-terminal short circuit in three input terminals of three pole DC switchs 11.
Claims (1)
1. the boats and ships axle generator can made motor and use, comprise electric machine stand (2) and motor driving shaft (1), electric machine stand (2) is respectively arranged with connection box for motor (7) and the field power supply (6) of three-phase AC excitation electric current and DC excitation electric current is provided simultaneously, it is characterized in that, alternating-current motor stator three-phase windings (3) and exciter stator three-phase windings (9) is respectively arranged with in electric machine stand (2), motor driving shaft (1) is disposed with AC motor rotor concentratred winding (4) from left to right, rotating rectifier (5) and exciter rotor three-phase windings (8), three-phase terminal (U in the three-phase lead wire of the three-phase windings of alternating-current motor stator three-phase windings (3) and connection box for motor (7), V, W) correspondence links together, the anode lead wire of AC motor rotor concentratred winding (4) and the positive binding post of rotating rectifier (5) link together, the negative terminal lead wire of AC motor rotor concentratred winding (4) and the negative binding post of rotating rectifier (5) link together, the three-phase lead wire of the three-phase windings of exciter rotor three-phase windings (8) and the three-phase terminal of rotating rectifier (5) are sub correspondingly to link together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings (9) is corresponding with three lead-out terminals of three pole DC switchs (11) to be connected, link together with the straight polarity direct current line terminals (F1) of field power supply (6) after any two terminal short circuits in three input terminals of three pole DC switchs (11), the non-short circuit input terminal of three pole DC switchs (11) and the direct current of field power supply (6) are born binding post (F2) and are linked together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings (9) is also corresponding with three outputs of three-phase alternating-current switch (10) to be connected, three inputs of three-phase alternating-current switch (10) and three ac terminal (UF of field power supply (6), VF, WF) correspondence links together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228191.2U CN204131353U (en) | 2014-05-06 | 2014-05-06 | The boats and ships axle generator that motor uses can be made |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228191.2U CN204131353U (en) | 2014-05-06 | 2014-05-06 | The boats and ships axle generator that motor uses can be made |
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| Publication Number | Publication Date |
|---|---|
| CN204131353U true CN204131353U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420228191.2U Active CN204131353U (en) | 2014-05-06 | 2014-05-06 | The boats and ships axle generator that motor uses can be made |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038005A (en) * | 2014-05-06 | 2014-09-10 | 北京赛思亿电气科技有限公司 | Ship shaft generator capable of being used as motor and running state switching method thereof |
| CN113794296A (en) * | 2021-09-10 | 2021-12-14 | 中船重工电机科技股份有限公司 | Installation method of split type shaft generator rotor |
-
2014
- 2014-05-06 CN CN201420228191.2U patent/CN204131353U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038005A (en) * | 2014-05-06 | 2014-09-10 | 北京赛思亿电气科技有限公司 | Ship shaft generator capable of being used as motor and running state switching method thereof |
| CN113794296A (en) * | 2021-09-10 | 2021-12-14 | 中船重工电机科技股份有限公司 | Installation method of split type shaft generator rotor |
| CN113794296B (en) * | 2021-09-10 | 2023-08-11 | 中船重工电机科技股份有限公司 | Method for mounting split type shaft generator rotor |
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Address after: 214105 room 806-813, block C, Chong Dong building, 88, Dan Shan Road, Xishan Town, Xishan, Wuxi. Co-patentee after: Shanxi Fenxi Heavy Industry Co., Ltd. Patentee after: Wuxi SEI million Electrical Technology Co., Ltd. Address before: 100097 room 506 and 507, block B, No. 116 Zizhu Road, Haidian District, Beijing. Co-patentee before: Shanxi Fenxi Heavy Industry Co., Ltd. Patentee before: Beijing CSE Electric Technology Co., Ltd. |
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| CP03 | Change of name, title or address |